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Dental Anatomy Flashcards

1
Q

At what age do all premolars begin calcifiacation?

A

2 year old

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2
Q

8 yr old boy breaks permanent maxillary centrals, how long do you have to wait for root canal?

A

2 more years

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3
Q

7 weeks pregnant, what doesn’t occur?

A

Enamel calcification

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4
Q

When does man 2nd molar complete root/apex formation?

A

15 years old

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5
Q

Compare to permanent teeth, primary teeth are?

A

more bulbous, constricted, and smaller occlusal table

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6
Q

Order eruption of primary maxillary

A

Central - lateral- 1st molar - canine - 2nd molar

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7
Q

Primarily maxillary central ____MD than IC

A

wider

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8
Q

which primarily tooth has a crown similar to premolar & roots similar to molar?

A

Primary maxillary 1st

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9
Q

Which 2 primary teeth have prominent cervical ridge?

A

max and mand 1st molars

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10
Q

Which primary teeth is unlike any other?

A

Mand 1st: 2 roots & 4 cusps

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11
Q

Most prominent cusps on a primary man 1st is between which cusps?

A

MB & ML

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12
Q

Which primary tooth has 4 cusps, 2 roots & a prominent cervical ridge on the facial?

A

Mand 2nd

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13
Q

Which cusps is the tallest cusp of the primary mandibular 1st molar?

A

ML

MB is the biggest

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14
Q

12 year old pt still has which primary teeth?

A

KT

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15
Q

What is the most scalloped tooth?

A

Mesial of Max Central Incisors

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16
Q

If you look at the midline of incisal edge of central incisors, where would it be in relation to the root of the tooth?

A

Centered

Max are center while mand are lingual except maxillary canine that is facial

17
Q

Which tooth is least likely to have a divided canal?

A

Maxillary Centrals

18
Q

Max Central incisors is cut at CEJ, what is is the outline?

A

Triangular

19
Q

How to perm max central different from primary?

A

No mamelons

20
Q

Girl has no caries except on max lateral, why?

A

Lingual groove that goes into gingival

21
Q

What is the groove of maxillary lateral that extends from enamel to cementum?

A

Palato-radicular groove

22
Q

Why would you have a problem with root planning maxillary lateral?

A

Inciso-apical fissure

23
Q

Which tooth is most likely to be tri-furcated?

A

Max 1st PM

24
Q

What is the only tooth with longer mesial slope than distal?

A

Max 1st PM

25
Q

In which tooth is the lingual dimensions greater than buccal dimensions?

A

Max 1st molar

26
Q

On max 1st molar, oblique ridge is formed between which 2 cusps?

What are 2 obtuse angles of max 1st molars?

A

ML & DB

27
Q

Which 2 teeth are more likely to have 3 cusps?

A

Max 2nd molar & mand 2nd PM

28
Q

Which mandibular teeth have lingual curve on the distal incisal edge & a cingulum offset to the distal?

A

Lateral incisors

29
Q

Which anterior teeth is most likely to be bifurcated?

A

Mand Canine

30
Q

Which mand teeth has a emesial outline form that’s striaght?

A

Mand Canine

31
Q

Which premolar is most likely to exhibit pits & has a square occlusal surface?

A

Mand. 2nd

32
Q

Where is the highest cusp in a mand Y-type 2nd?

A

lingual

33
Q

Mand canine erupts ____premolars

A

before

34
Q

Y shape mand 2nd PM is made by a combination of what grooves?

A

Central & lingual

35
Q

Which cusp is not a primary developmental cusp of maxillary 1st molars?

A

DL

36
Q

What causes mottling of teeth?

A child has brown pits on their enmael, what’s the cause?

A

Fluorosis

37
Q

Patient had brown& grey tooth discoloration on PM, canine, and 2nd molars, but anterior were spared. When was the patient given tetracycline?

A

Before age 2

38
Q

What’s the MOA of tetracycline?

A

Inhibit protein synthesis/ translation by blocks 30s ribosome subunit

;) (24 decks)

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